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USN-2957-1: Libtasn1 vulnerability

2 May 2016

Libtasn1 could be made to hang if it processed specially crafted data.

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Packages

Details

Pascal Cuoq and Miod Vallat discovered that Libtasn1 incorrectly handled
certain malformed DER certificates. A remote attacker could possibly use
this issue to cause applications using Libtasn1 to hang, resulting in a
denial of service.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 15.10
Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-2957-2: libtasn1-doc, libtasn1-3-bin, libtasn1-6, libtasn1-6-dev, libtasn1-bin

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